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-2.5(2a-113)=29.4
We move all terms to the left:
-2.5(2a-113)-(29.4)=0
We add all the numbers together, and all the variables
-2.5(2a-113)-29.4=0
We multiply parentheses
-5a+282.5-29.4=0
We add all the numbers together, and all the variables
-5a+253.1=0
We move all terms containing a to the left, all other terms to the right
-5a=-253.1
a=-253.1/-5
a=50+2.8181818181818/4.5454545454546
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